SikaFill®-100 (BH)
Elastic, Liquid Applied, Acrylic Waterproofing Coating
SikaFill®-100 (BH) is a one component, liquid elastic waterproofing coating, based on styrene-acrylic copolymers in aqueous dispersion. Once dried, SikaFill®-100 (BH) forms a flexible, waterproofing and lasting membrane.
Suitable for use in hot and tropical climates.
- Waterproof
- Excellent weathering and aging properties.
- Easy to apply by traditional methods eg. brush
- Good penetration in cracks and fissures.
- Able to absorb expansion and shrinking movements without cracking
- Good bonding to many substrates
- Water based
Usage
SikaFill®-100 (BH) can be used in different applications such as:- For cost efficient life cycle extension of failing exposed roofs
- For reflective coating to enhance energy efficiency by reducing cooling costs
Advantages
- Waterproof
- Excellent weathering and aging properties.
- Easy to apply by traditional methods eg. brush
- Good penetration in cracks and fissures.
- Able to absorb expansion and shrinking movements without cracking
- Good bonding to many substrates
- Water based
Packaging
~20 kg pails
Colour
White, liquid form
Product Details
Composition
Acrylic Dispersion
Shelf life
12 months minimum from date of production if stored properly in original, unopened and undamaged sealed packaging.
Storage conditions
Store in dry conditions in original packaging at temperatures between +5 °C and +30 °C. Protect from direct sunlight and frost.
Density
~1.25 kg/l
Solid content by weight
~50 %
Tensile Strength
~1.0 N/mm2 (28 days) | (ISO 37) |
Service Temperature
-10 °C min. / +80 °C max. (with reinforcement)
-5 °C min. / +80 °C max. (without reinforcement)
Application
Ambient Air Temperature
+8 °C min. / +40 °C max.
Relative Air Humidity
80 % max.
Substrate Temperature
+8 °C min. / +40 °C max.
Dew Point
Beware of condensation. Surface temperature during application must be at least +3 °C above dew point.
Substrate Moisture Content
< 6 % moisture content.
No rising moisture according to ASTM (Polyethylene-sheet). No water / moisture / condensation on the substrate.
Substrate Pre-Treatment
Substrate | Primer | Consumption [kg/m2] |
Cementitious substrates | SikaFill®-100 (BH) diluted with water.* | ~0.3 |
Brick and Stone | SikaFill®-100 (BH) diluted with water.* | ~0.3 |
Bituminous felt | SikaFill®-100 (BH) diluted with water.* | ~0.2 - 0.3 |
Metals (Ferrous or galvanised metals, lead, copper, aluminium, brass or stainless steel) | Sikalastic® Metal Primer or SikaFill®-100 (BH) diluted with water*. Please consult with our Technical Services Department prior to use. | ~0.2 - 0.3 |
Paints | SikaFill®-100 (BH) diluted with water* subject to adhesion and compatibility tests. | ~0.3 |
*Dilute 3 parts of SikaFill®-100 (BH) (by volume) with 1 part of water and mix until a homogeneous mixture is achieved.
These figures are theoretical and do not include for any additional material required due to surface porosity, surface profile, variations in level and wastage etc
Waiting Time / Overcoating
Before applying SikaFill®-100 (BH) on primer SikaFill®-100 (BH) diluted with water:
Substrate Temperature | Relative humidity | Minimum | Maximum1) |
25 °C | 50 % | ~5 h | 3 months |
Before applying the base coat of SikaFill®-100 (BH) on the second coat of SikaFill®-100 (BH) allow intermediate coats to fully cure.
Substrate Temperature | Relative humidity | Minimum | Maximum1) |
25 °C | 50 % | ~5 h | 3 months |
1) Assuming that all dirt has been removed and intercoat contamination is avoided.
Note: Times are approximate and will be affected by coating thickness and changing ambient conditions particularly temperature and relative humidity. Low temperature and high humidity retard curing, while high temperatures and low humidity accelerate curing progression.
SUBSTRATE PREPARATION
All substrates must be cleaned and prepared using high pressure water jet. Abrasive blast cleaning, scarifying equipment to or other suitable approved mechanical methods.
Cementitious substrates:
New concrete should be cured for at least 28 days and should have a pull-off strength ≥ 1.5 N/mm2.
Loose friable material and weak concrete must be completely removed by mechanical means to achieve an open textured surface and all surface defects such as blowholes and voids must be fully exposed.
Repairs to the substrate, filling of joints, blowholes/voids and surface leveling must be carried out using the appropriate Sika® products. Refer to Sika’s Technical Department for further advice.
High spots must be removed by for example grinding.
Outgassing is a naturally occurring phenomenon of concrete that can produce pinholes in subsequently applied coatings. The concrete must be carefully assessed for moisture content, air entrapment, and surface finish prior to any coating work. Installing the SikaFill®-100 (BH) either when the concrete temperature is falling or stable can reduce outgassing.
Prime the substrate before applying the SikaFill®-100 (BH) systems.
Brick and stone:
Mortar joints must be sound and flush pointed.
Use localised reinforcement over connection joints and prime before applying SikaFill®-100 (BH).
Bituminous felt:
Ensure that Bituminous felt is firmly adhered or mechanically fixed to the substrate.
Bituminous felt should not contain any badly degraded areas and be primed before applying SikaFill®-100 (BH).
Metals:
Metals must be in a clean sound rust free condition.
Metals surfaces must be free of oil and greases.
Abrade exposed surfaces to reveal bright metal.
Use localised reinforcement over joints and fixings.
Paints/Coatings:
Ensure the existing material is sound and firmly adhered.
Remove any oxidized layers and use localised reinforcement over joints.
Existing SikaFill®-100 (BH) Systems:
The existing SikaFill®-100 (BH) Systems should still be soundly adhered to the substrate be clean, dust free and dry.
MIXING
Prior to application, stir SikaFill®-100 (BH) thoroughly for 1 minute in order to achieve a homogeneous mixture using a slow speed (330 - 500 rpm) drill and basket type paint mixer.
Over mixing must be avoided to minimise air entrainment.
APPLICATION
Prior to the application of SikaFill®-100 (BH) the priming coat must have cured tack-free. Protect adjacent areas from splashes, over painting, damage etc. with an adhesive tape or plastic.
SikaFill®-100 (BH) is applied in 2 – 6 coats as per the required system. Prior to the application of each coat the indicated waiting times must be followed.
Sikalastic® Flexitape Heavy or Sika® Reemat Premium is applied at areas having high movements, irregular substrate or to bridge cracks, joints and seams on the substrate.
Please note, always begin with detailing works prior to waterproofing the horizontal surface.
Tools:
High Pressure Jet Washer (minimum 150 bar):
If dust, vegetation, moss / algae or other contaminants are present on the existing roof, a power washer is required to clean the substrate prior to the application of SikaFill®-100 (BH) Systems. Existing chippings should be removed by hand or scabbling prior to power washing.
Squeegee:
Useful when removing excess water from the roof after overnight rain
Drill and paddle:
SikaFill®-100 (BH) should be mixed for one minute using a slow speed (300-500 rpm) drill and basket type paint mixer.
Solvent resistant short-piled roller:
Used in the application of SikaFill®-100 (BH) to ensure a consistent thickness of the seamless SikaFill®-100 (BH) systems.
Thick hair brush:
For application of SikaFill®-100 (BH) to all details and penetrations.
Note: Please refer to the most recent issue of the specific Method Statement
CLEANING OF EQUIPMENT
Clean all tools and application equipment with water immediately after use. Hardened / cured material can only be removed mechanically